[PATCH] fec.c: cli() cleanup

From: Brandon Niemczyk <brandon@snprogramming.com>

Replace calls to save_flags(); cli() with spinlocks. Also make some
global variables that aren't used anywhere or declared in a header
static.

Signed-off-by: Brandon Niemczyk <brandon@snprogramming.com>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

Index: linux-kj/drivers/net/fec.c
===================================================================
--- linux-kj.orig/drivers/net/fec.c
+++ linux-kj/drivers/net/fec.c
@@ -684,10 +684,13 @@ fec_enet_mii(struct net_device *dev)
 	volatile fec_t	*ep;
 	mii_list_t	*mip;
 	uint		mii_reg;
+	unsigned long	flags;
 
 	fep = netdev_priv(dev);
 	ep = fep->hwp;
 	mii_reg = ep->fec_mii_data;
+
+	spin_lock_irqsave(&mii_lock, flags);
 	
 	if ((mip = mii_head) == NULL) {
 		printk("MII and no head!\n");
@@ -703,6 +706,8 @@ fec_enet_mii(struct net_device *dev)
 
 	if ((mip = mii_head) != NULL)
 		ep->fec_mii_data = mip->mii_regval;
+
+	spin_unlock_irqrestore(&mii_lock, flags);
 }
 
 static int
@@ -720,8 +725,7 @@ mii_queue(struct net_device *dev, int re
 
 	retval = 0;
 
-	save_flags(flags);
-	cli();
+	spin_lock_irqsave(&mii_lock, flags);
 
 	if ((mip = mii_free) != NULL) {
 		mii_free = mip->mii_next;
@@ -741,7 +745,7 @@ mii_queue(struct net_device *dev, int re
 		retval = 1;
 	}
 
-	restore_flags(flags);
+	spin_unlock_irqrestore(&mii_lock, flags);
 
 	return(retval);
 }